01: /*
02: * $RCSfile: I18NImpl.java,v $
03: *
04: *
05: * Copyright (c) 2005 Sun Microsystems, Inc. All Rights Reserved.
06: *
07: * Redistribution and use in source and binary forms, with or without
08: * modification, are permitted provided that the following conditions
09: * are met:
10: *
11: * - Redistribution of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: *
14: * - Redistribution in binary form must reproduce the above copyright
15: * notice, this list of conditions and the following disclaimer in
16: * the documentation and/or other materials provided with the
17: * distribution.
18: *
19: * Neither the name of Sun Microsystems, Inc. or the names of
20: * contributors may be used to endorse or promote products derived
21: * from this software without specific prior written permission.
22: *
23: * This software is provided "AS IS," without a warranty of any
24: * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
25: * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
26: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
27: * EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
28: * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
29: * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
30: * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
31: * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
32: * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
33: * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
34: * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
35: * POSSIBILITY OF SUCH DAMAGES.
36: *
37: * You acknowledge that this software is not designed or intended for
38: * use in the design, construction, operation or maintenance of any
39: * nuclear facility.
40: *
41: * $Revision: 1.1 $
42: * $Date: 2005/02/11 05:01:22 $
43: * $State: Exp $
44: */
45: package com.sun.media.imageioimpl.common;
46:
47: import java.io.InputStream;
48: import java.util.PropertyResourceBundle;
49:
50: /**
51: * Class to simplify use of internationalization message strings.
52: * Property files are constructed in terms of content as for JAI with
53: * one "key=value" pair per line. All such files however have the same
54: * name "properties". The resource extractor resolves the extraction of
55: * the file from the jar as the package name is included automatically.
56: *
57: * <p>Extenders need only provide a static method
58: * <code>getString(String)</code> which calls the static method in this
59: * class with the name of the invoking class and returns a
60: * <code>String</code>.
61: */
62: public class I18NImpl {
63: /**
64: * Returns the message string with the specified key from the
65: * "properties" file in the package containing the class with
66: * the specified name.
67: */
68: protected static final String getString(String className, String key) {
69: PropertyResourceBundle bundle = null;
70: try {
71: InputStream stream = Class.forName(className)
72: .getResourceAsStream("properties");
73: bundle = new PropertyResourceBundle(stream);
74: } catch (Throwable e) {
75: throw new RuntimeException(e); // Chain the exception.
76: }
77:
78: return (String) bundle.handleGetObject(key);
79: }
80: }
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